... factor:0.55 3,lifetime:8000h 4,CE, ROSH, UL CFL lamp parts component WattVoltageHertzPower factorColor temLumenCRILifetimeBase5110/120v50-60Hz0.552700-6400k200 ... ,EMC,ROHS,FCC,C-TICK approvals.2,Switching frequency is 30% higher than GB.3,Long lifetime>=8000 hours.4,Brightness ... -voltage work8,Applicable areas: industrial factory, shopping mall stores. SKD cfl lamp parts